2026
Koester, D. C., Plocek, M. R., Dierenfeld, E. S., Amato, K. R., & Dunham, N. T. (2026). Variation in zoo diets, offerings of leafy browse, and body condition scores in Matschie’s tree kangaroos (Dendrolagus matschiei) and their associations with gut microbiome composition. PeerJ, 14, e20875, 1–24. https://doi.org/10.7717/peerj.20875.
Parlato, P., & Dunham, N. T. (2026). Effects of simulated dusk and dawn on activity and feeding of Puerto Rican crested toads (Peltophryne lemur) in captivity. Zoo Biology. https://doi.org/10.1002/zoo.70055
Plocek, M. R., Dunham, N. T., & Amato, K. R. (2026). Comparative analysis of fecal microbiome composition in zoo‐housed Colobines: The influence of dietary macronutrients, browse provisioning, and phylogeny. American Journal of Primatology, 88(5), e70169.
2025
Boulinguez-Ambroise, G., Bradley-Conkwright, M., Yapuncich, G. S., Zeininger, A., Boyer, D. M., Dunham, N. T., Schmitt, D., & Young, J. W. (2025). Comparative biomechanical analysis of jumping between the arboreal northern tree shrew (Tupaia belangeri) and the fat-tailed dwarf lemur (Cheirogaleus medius). Zoological Journal of the Linnean Society, 205, zlaf177.
Dunham, N. T., Bernstein-Kurtycz, L. M., Manzak, J., Muneza, A. B., Brown, M. B., Fennessy, J., Dennis, P. M., Kendall, C. J., & Lukas, K. E. (2025). Exploring the effects of giraffe skin disease limb lesions on locomotion. Ecology and Evolution, 15, e71774.
Neptune, T., Koester, D. C., & Benard, M. (2025). Freeze-tolerant frogs accumulate cryoprotectants using photoperiod: A potential ecological trap. Journal of Animal Ecology, 00, 1–12. https://doi.org/10.1111/1365-2656.70125
Niyigena, S., Gategeko, A., Bizimana, A., Kaplin, B. A., Manishimwe, A., & Dunham, N. T. (2025). Oral processing behaviors of golden monkeys (Cercopithecus mitis kandti) from Volcanoes National Park in Rwanda. American Journal of Primatology, 87, e70060.
Plocek, M. R., & Dunham, N. T. (2025). Variation in diet and leafy browse offerings among colobus monkeys (Colobus spp.) and langurs (Trachypithecus spp.) in AZA facilities. Zoo Biology, 44(2), 147–158.
Ritzler, C. P., Mather, S. V., Johnson, I. T., Dennis, P. M., Lukas, K. E., & Koester, D. C. (2025). Using 3D photogrammetry to quantify usable space in zoo-housed primate habitats. American Journal of Primatology, 87(2), e70002.
Shapiro, L. J., Dunham, N. T., McNamara, A., Young, J. W., & Hieronymus, T. L. (2025). Assessing the determinants of platyrrhine quadrupedal gait kinematics in an ecological and phylogenetic framework. American Journal of Primatology, 87, e70009.
Tennant, K. S., Less, E. H., Raghanti, M. A., Amendolagine, L. A., Lukas, K. E., Willis, M. A., & Dennis, P. M. (2025). Using an oral sugar test to biologically validate the use of a commercial enzyme immunoassay to measure salivary insulin in western lowland gorillas (Gorilla gorilla gorilla). Journal of Experimental Zoology Part A: Ecological and Integrative Physiology, 343(4), 493–501.
2024
Bernstein-Kurtycz, L. M., Vonk, J., Carroscia, J. M., Koester, D. C., Snyder, R. J., Willis, M. A., & Lukas, K. E. (2024). Lack of reinforcement is hard to “bear”: Assessing judgment bias in grizzly bears. Journal of Applied Animal Welfare Science, 1–14.
Janisch, J., McNamara, A., Myers, L. C., Schapker, N., Dunham, N. T., Phelps, T., Mundry, R., Hieronymus, T., Shapiro, L. J., & Young, J. W. (2024). Ecological and phylogenetic influences on limb joint kinematics in wild primates. Zoological Journal of the Linnean Society, zlae004.
2023
Boulinguez-Ambroise, G., Dunham, N. T., Phelps, T., Mazonas, T., Nguyen, P., Bradley-Conkwright, M., Boyer, D. M., Yapuncich, G. S., Zeininger, A., Schmitt, D., & Young, J. W. (2023). Jumping performance in tree squirrels. Journal of Human Evolution, 180, 103386.
Dunham, N. T., Tennant, K. S., Loudon, A. H., & Dennis, P. M. (2023). Effects of honey locust seed pods on the behavior and nutrient intake of zoo-housed François langurs and prehensile-tailed porcupines. Zoo Biology, 42(4), 537–546.
Ghosal, R., Edwards, K. L., Chiarelli, T. L., Fanson, K. V., Ganswindt, A., Keeley, T., Koester, D. C., Roberts, B., Majelantle, T. L., & Wauters, J. (2023). Biomarkers of reproductive health in wildlife. Theriogenology Wild, 3, 100052.
Leeds, A., Schook, M. W., Dennis, P. M., Stoinski, T. S., Willis, M. A., & Lukas, K. E. (2023). Urinary oxytocin and cortisol concentrations vary by group type in gorillas. Primates, 64(1), 65–77.
Nageotte, N. L., & Buck, G. A. (2023). Barriers and motivations to conservation behaviors in zoo visitors. Environmental Education Research, 29(2), 179–193.
Oldfield, R. G., Thal, J. E., Das, P., Zarlinga, N. J., Lukas, K. E., & Wark, J. D. (2023). Agonistic behavior and feeding competition in Pygocentrus piraya. Journal of Ethology, 41(1), 25–37.
Plocek, M. R., & Dunham, N. T. (2023). Spatiotemporal walking gait kinematics of semi-arboreal red pandas (Ailurus fulgens). Journal of Experimental Zoology Part A: Ecological and Integrative Physiology, 339(8), 755–766.
Wark, J. D., Schook, M. W., Dennis, P. M., & Lukas, K. E. (2023). Do zoo animals use off-exhibit areas to avoid noise? American Journal of Primatology, 85(3), e23421.
2022
Anderson, K., & Dennis, P. M. (2022). Mortality trends for five species of macropods. Zoo Biology, 41(1), 44–49.
Ballash, G. A., Dennis, P. M., Mollenkopf, D. F., Albers, A. L., Robison, T. L., Adams, R. J., Li, C., Tyson, G. H., & Wittum, T. E. (2022). Colonization of white-tailed deer with antimicrobial-resistant Enterobacterales. Applied and Environmental Microbiology, 88(13), e00465-22.
Bernstein-Kurtycz, L. M., Wiatroski, K. G., Leeds, A., & Lukas, K. E. (2022). About pace: How variations in method affect quantification of pacing in bears. Zoo Biology, 41.
Dunham, N. T., Koester, D. C., Dierenfeld, E. S., Rimbach, R., & Pontzer, H. (2022). Balancing the scales: Energy expenditure in Matschie’s tree kangaroo. PLoS One, 17(6), e0270570. https://doi.org/10.1371/journal.pone.0270570
Hale, V. L., Dennis, P. M., McBride, D. S., Nolting, J. M., Madden, C., Huey, D., Ehrlich, M., Grieser, J., Winston, J., & Lombardi, D. (2022). SARS-CoV-2 infection in free-ranging white-tailed deer. Nature, 602, 481–486.
Koester, D. C., Maly, M. A., Putman, S., Edwards, K. L., Meeks, K., & Crosier, A. E. (2022). An investigation of ovarian and adrenal hormone activity in postovulatory cheetahs. Animals, 12(7), 809.
Nageotte, N. L., Eagle-Malone, R., & Searles, V. (2022). Uncovering zoo audience values about illegal wildlife trade. Journal of Interpretation Research, 27(2), 93–112.
Tennant, K. S., Dennis, P. M., Less, E. H., & Lukas, K. E. (2022). Prevalence of regurgitation and reingestion and occurrence of coprophagy in the North American AZA gorilla (Gorilla gorilla gorilla) population. Zoo Biology, 41(2), 176–180.
Wilson, J. K., Nageotte, N. L., & Pletcher, N. (2022). Evoking empathy: The role of animal statues in zoos. Zoo Biology, 41(5), 418–424.
2021
Ballash, G. A., Munoz-Vargas, L., Albers, A., Dennis, P. M., LeJeune, J. T., Mollenkopf, D. F., & Wittum, T. E. (2021). Temporal trends in antimicrobial resistance of fecal Escherichia coli from deer. EcoHealth, 18, 288–296.
Bernstein-Kurtycz, L. M., Koester, D. C., Snyder, R. J., Vonk, J., Willis, M. A., & Lukas, K. E. (2021). Bearly changing with the seasons: Bears of five species show few behavioral changes. Animal Behavior and Cognition, 8(4), 538–557.
Bettinger, T., Cox, D., Kuhar, C., & Leighty, K. (2021). Human engagement and great ape conservation in Africa. American Journal of Primatology, 83(4), e23216.
Dunham, N. T., & Opere, P. O. (2021). Quantifying mineral intake in Angola black-and-white colobus monkeys. Folia Primatologica, 92(1), 58–69.
Eckardt, W., Tuyisingize, D., van der Hoek, Y., Tolbert, S., Stoinski, T. S., Ndagijimana, F., & Lukas, K. E. (2021). A partnership to build scientific capacity of Rwanda’s future conservationists. American Journal of Primatology, 83(4), e23200.
Kendall, C. J., Leeds, A., Tinka, J., Lukas, K. E., & Folta, E. (2021). Teacher training as a means to sustained behavior change. American Journal of Primatology, 83(4), e23193.
Minich, D., Madden, C., Evans, M. V., Ballash, G. A., Barr, D. J., Poulsen, K. P., Dennis, P. M., & Hale, V. L. (2021). Alterations in gut microbiota linked to provenance, sex, and chronic wasting disease in white-tailed deer. Scientific Reports, 11(1), 13218.
Young, J. W., Chadwell, B. A., Dunham, N. T., McNamara, A., Phelps, T., Hieronymus, T., & Shapiro, L. J. (2021). The stabilizing function of the tail during arboreal quadrupedalism. Integrative and Comparative Biology, 61(2), 491–505.
2020
Dunham, N. T., McNamara, A., Shapiro, L. J., Phelps, T., & Young, J. W. (2020). Asymmetrical gait kinematics of free-ranging callitrichine primates. Journal of Experimental Biology, 223(12), jeb217562.
Leeds, A., Good, J., Schook, M. W., Dennis, P. M., Stoinski, T. S., Willis, M. A., & Lukas, K. E. (2020). Evaluating changes in salivary oxytocin and cortisol following positive reinforcement training in western lowland gorillas. Zoo Biology, 39(1), 51–55.
Moll, R. J., Cepek, J. D., Lorch, P. D., Dennis, P. M., Robison, T., & Montgomery, R. A. (2020). At what spatial scale(s) do mammals respond to urbanization? Ecography, 43(2), 171–183.
Moll, R. J., Eaton, J. T., Cepek, J. D., Lorch, P. D., Dennis, P. M., Robison, T., & Montgomery, R. A. (2020). Dynamic rodent behavioral response to predation risk: Implications for disease ecology. Oecologia, 192, 67–78.
Moll, R. J., Ortiz-Calo, W., Cepek, J. D., Lorch, P. D., Dennis, P. M., Robison, T., & Montgomery, R. A. (2020). The effect of camera-trap viewshed obstruction on wildlife detection. Wildlife Research, 47(2), 158–165.
2019
Ballash, G. A., Jenkins, M. C., Kwok, O. C. H., Dubey, J. P., Shoben, A. B., Robison, T. L., & Dennis, P. M. (2019). Effect of urbanization on Neospora caninum seroprevalence in white-tailed deer (Odocoileus virginianus). EcoHealth, 16, 109–115.
Boyer, D. M., Yapuncich, G. S., Dunham, N. T., McNamara, A., Shapiro, L. J., Hieronymus, T. L., & Young, J. W. (2019). My branch is your branch: Talar morphology correlates with relative substrate size in platyrrhines. Journal of Human Evolution, 133, 23–31.
Dennis, P. M., Raghanti, M. A., Meindl, R. S., Less, E. H., Henthorn, E., Devlin, W., & Murphy, H. (2019). Cardiac disease is linked to adiposity in male gorillas (Gorilla gorilla gorilla). PLoS One, 14(6), e0218763.
Dunham, N. T., McNamara, A., Shapiro, L. J., Hieronymus, T. L., Phelps, T., & Young, J. W. (2019). Effects of substrate and phylogeny on quadrupedal gait in free-ranging platyrrhines. American Journal of Physical Anthropology, 170(4), 565–578.
Dunham, N. T., McNamara, A., Shapiro, L. J., Phelps, T., Wolfe, A. N., & Young, J. W. (2019). Locomotor kinematics of tree squirrels (Sciurus carolinensis) in free-ranging and laboratory environments. Journal of Experimental Zoology Part A, 331(2), 103–119.
Leeds, A., & Lukas, K. E. (2019). Monitoring the social behavior of a bachelor mandrill (Mandrillus sphinx) dyad participating in touchscreen-mediated cognitive testing. Zoo Biology, 38(4), 397–402.
Lukas, K. E., Leeds, A., Slavin, M. A., Tinka, J., & Kendall, C. J. (2019). Impact of teacher training in conservation education on student learning in primary schools adjacent to Kibale National Park, Uganda. Oryx, 53(3), 497–504.
McNamara, A., Dunham, N. T., Shapiro, L. J., & Young, J. W. (2019). The effects of natural substrate discontinuities on quadrupedal gait kinematics of free-ranging Saimiri sciureus. American Journal of Primatology, 81(9), e23055.
Moll, R. J., Cepek, J. D., Lorch, P. D., Dennis, P. M., Tans, E., Robison, T., & Montgomery, R. A. (2019). What does urbanization actually mean? A framework for urban metrics in wildlife research. Journal of Applied Ecology, 56(5), 1289–1300.
Murray, S., Kishbaugh, J. C., Hayek, L. A. C., Kutinsky, I., Dennis, P. M., Devlin, W., & Murphy, H. W. (2019). Diagnosing cardiovascular disease in western lowland gorillas (Gorilla gorilla gorilla) with brain natriuretic peptide. PLoS One, 14(3), e0214101.
2018
Amendolagine, L., Schoffner, T., Koscielny, L., Schook, M. W., Copeland, D., Casteel, J., Duff, B., & Koester, D. (2018). In-house monitoring of steroid hormone metabolites in urine informs breeding management of a giant anteater (Myrmecophaga tridactyla). Zoo Biology, 37(1), 40–45.
Anderson, K. M., & Dennis, P. M. (2018). Retrospective mortality review of six callitrichid species housed at a single institution (1990–2014). Journal of Zoo and Wildlife Medicine, 49(3), 715–721.
Anderson, K. M., Garner, M. M., & Dennis, P. M. (2018). Causes of mortality in sloth bears (Melursus ursinus) housed in U.S. zoos. Journal of Zoo and Aquarium Research, 6(1), 12–15.
Anderson, K. M., Lewandowski, A., & Dennis, P. M. (2018). Suspected hypervitaminosis D in red-rumped agouti (Dasyprocta leporina) receiving a commercial rodent diet. Journal of Zoo and Wildlife Medicine, 49(1), 196–200.
Good, J., Leeds, A., Price, B., & Mitchell, A. (2018). Training of voluntary blood draw on western lowland gorillas. Animal Keepers’ Forum, 45, 24–28.
Leeds, A., & Lukas, K. E. (2018). Experimentally evaluating the function of self-directed behavior in two adult mandrills (Mandrillus sphinx). Animal Welfare, 27(1), 81–86.
Leeds, A., Bernstein-Kurtycz, L. M., Strawn, H. M., D’Agostino, K., Negron, M., Less, E. H., & Schoffner, T. (2018). Describing the introduction of a François’ langur (Trachypithecus francoisi) and Müller’s gibbon (Hylobates muelleri) pair in a mixed-species exhibit. Animal Keepers’ Forum, 45, 14–17.
Leeds, A., Dennis, P. M., Lukas, K. E., Stoinski, T. S., Willis, M. A., & Schook, M. W. (2018). Validating the use of a commercial enzyme immunoassay to measure oxytocin in unextracted urine and saliva of the western lowland gorilla (Gorilla gorilla gorilla). Primates, 59(6), 499–515.
Lukas, K. E., & Stoinski, T. S. (2018). Zoos and gorilla conservation: Have we moved beyond a piecemeal approach? In B. A. Minteer, J. Maienschein, & J. P. Collins (Eds.), The ark and beyond: The evolution of zoo and aquarium conservation. University of Chicago Press.
Moll, R. J., Cepek, J. D., Lorch, P. D., Dennis, P. M., Robison, T., Millspaugh, J. J., & Montgomery, R. A. (2018). Humans and urban development mediate the sympatry of competing carnivores. Urban Ecosystems, 1–14.
Monson, M. L., Dennis, P. M., Lukas, K. E., Krynak, K. L., Carrino-Kyker, S. R., Burke, D. J., & Schook, M. W. (2018). The effects of increased hay-to-grain ratio on behavior, metabolic health measures, and fecal bacterial communities in Masai giraffe (Giraffa camelopardalis tippelskirchi). Zoo Biology, 37(5), 320–331.
Rose, J. B., Davies, S., Anderson, K. M., Allan, G. S., Dennis, P. M., & Malik, R. (2018). Treatment of mycotic rhinosinusitis in a Bennett’s wallaby (Macropus rufogriseus) using topical voriconazole. Journal of Zoo and Wildlife Medicine, 49(1), 231–236.
Simpson, G. M., Fuller, G., Lukas, K. E., Kuhar, C. W., Fitch-Snyder, H., Taylor, J., & Dennis, P. M. (2018). Sources of morbidity in lorises and pottos in North American zoos: A retrospective review, 1980–2010. Zoo Biology, 37(4), 245–257.
Tennant, K. S., Segura, V. D., Morris, M. C., Snyder, K. D., Bocian, D., Maloney, D., & Maple, T. L. (2018). Achieving optimal welfare for the Nile hippopotamus (Hippopotamus amphibius) in North American zoos and aquariums. Behavioural Processes, 156, 51–57.
Wagman, J. D., Lukas, K. E., Dennis, P. M., Willis, M. A., Carroscia, J., Gindlesperger, C., & Schook, M. W. (2018). A work-for-food enrichment program increases exploration and decreases stereotypies in four species of bears. Zoo Biology, 37(1), 3–15.
Wiley, J. N., Leeds, A., Carpenter, K. D., & Kendall, C. J. (2018). Patterns of wounding in hamadryas baboons (Papio hamadryas) in North American zoos. Zoo Biology, 37(2), 74–79.
2017
Breuer, T., Mavinga, F. B., Evans, R., & Lukas, K. E. (2017). Using video and theater to increase knowledge and change attitudes—Why are gorillas important to the world and to Congo? American Journal of Primatology, 79(10), e22692.
Cless, I. T., & Lukas, K. E. (2017). Variables affecting the manifestation and intensity of pacing behavior in zoo-housed polar bears. Zoo Biology, 36(5), 307–315.
Krynak, K. L., Burke, D. J., Martin, R. A., & Dennis, P. M. (2017). Gut microbiome composition is associated with cardiac disease in zoo-housed western lowland gorillas (Gorilla gorilla gorilla). FEMS Microbiology Letters, 364(15).
Leeds, A., Lukas, K. E., Kendall, C. J., Slavin, M. A., Ross, E. A., Robbins, M. M., Weeghel, D., & Bergl, R. A. (2017). Evaluating the effect of a year-long film-focused environmental education program on Ugandan student knowledge of and attitudes toward great apes. American Journal of Primatology, 79(8), e22673.
2016
Baird, B. A., Kuhar, C. W., Lukas, K. E., Amendolagine, L. A., Fuller, G. A., Nemet, J., Willis, M. A., & Schook, M. W. (2016). Program animal welfare: Using behavioral and physiological measures to assess the well-being of animals used for education programs in zoos. Applied Animal Behaviour Science, 176, 150–162.
Fuller, G. A., Raghanti, M. A., Dennis, P. M., Kuhar, C. W., Willis, M. A., Schook, M. W., & Lukas, K. E. (2016). A comparison of nocturnal primate behavior in exhibits illuminated with red and blue light. Applied Animal Behaviour Science, 184, 126–134.
Leeds, A., Elsner, R., & Lukas, K. E. (2016). The effect of positive reinforcement training on an adult female western lowland gorilla’s (Gorilla gorilla gorilla) rate of abnormal and aggressive behavior. Animal Behavior and Cognition, 3(2), 78–87.
Leeds, A., Good, J., Schook, M. W., Dennis, P. M., & Lukas, K. E. (2016). Training an adult male western lowland gorilla (Gorilla gorilla gorilla) for the voluntary administration of an intranasal spray. Animal Keepers’ Forum, 43, 178–181.
Leeds, A., Stone, D., Johnson, B., Less, E. H., Schoffner, T., Dennis, P. M., Lukas, K. E., & Wark, J. D. (2016). Managing repetitive locomotor behaviour and time spent off exhibit in a male black-footed cat (Felis nigripes). Journal of Zoo and Aquarium Research, 4(2), 109.
Schook, M. W., Powell, D. M., & Zimmerman, W. (2016). Wild equid captive breeding and management. In J. I. Ransom & P. Kaczensky (Eds.), Wild equids: Ecology, management, and conservation. Johns Hopkins University Press.
Ter Beest, J. M., & Schook, M. W. (2016). Estrous cycle synchronization in the Persian onager (Equus hemionus onager). Zoo Biology, 35(2), 87–94.
Wark, J. D., Amendolagine, L., Lukas, K. E., Kuhar, C. W., Dennis, P. M., Snowdon, C. T., Willis, M. A., & Schook, M. W. (2016). Fecal glucocorticoid metabolite responses to management stressors and social change in four species of callitrichine monkeys. Primates, 57(2), 267–277.
2015
Cless, I. T., Voss-Hoynes, H. A., Ritzmann, R. E., & Lukas, K. E. (2015). Defining pacing quantitatively: A comparison of gait characteristics between pacing and nonrepetitive locomotion in zoo-housed polar bears. Applied Animal Behaviour Science, 169, 78–85.
Krynak, K. L., Oldfield, R. G., Dennis, P. M., Durkalec, M., & Weldon, C. (2015). A novel field technique to assess ploidy in introduced grass carp (Ctenopharyngodon idella). Biological Invasions, 17(7), 1931–1939.
Kuhar, C. W., Kornak, A. M., & Lukas, K. E. (2015). Beyond animal welfare science. In M. Gusset & G. Dick (Eds.), WAZA Magazine (Special issue on animal welfare, Vol. 16, pp. 30–33).
Leeds, A., Boyer, D., Ross, S. R., & Lukas, K. E. (2015). The effects of group type and young silverbacks on wounding rates in western lowland gorilla (Gorilla gorilla gorilla) groups in North American zoos. Zoo Biology, 34(4), 296–304.
Rog, J. E., Lukas, K. E., & Wark, J. D. (2015). Social and environmental influences on pacing in a female Malayan sun bear (Helarctos malayanus). Journal of Zoo and Aquarium Research, 3, 151–156.
Schook, M. W., Wildt, D. E., Raghanti, M. A., Wolfe, B. A., & Dennis, P. M. (2015). Increased inflammation and decreased insulin sensitivity indicate metabolic disturbances in zoo-managed compared to free-ranging black rhinoceros (Diceros bicornis). General and Comparative Endocrinology, 217, 10–19.
Wagman, J. D., Wolfe, B. A., & Schook, M. W. (2015). The effect of fluphenazine decanoate on glucocorticoid production, reproductive cyclicity, and the behavioral stress response in the Persian onager (Equus hemionus onager). Zoo Biology, 34(6), 525–534.
2014
Bixler, R. D., Joseph, S. L., & Searles, V. M. (2014). Volunteers as products of a zoo conservation education program. The Journal of Environmental Education, 45(1), 57–73.
Collins, C. W., Monfort, S. L., Vick, M. M., Wolfe, B. A., Weiss, R. B., Keefer, C. L., & Songsasen, N. (2014). Oral and injectable synthetic progestagens effectively manipulate the estrous cycle in the Przewalski’s horse (Equus ferus przewalskii). Animal Reproduction Science, 148(1–2), 42–52.
Fuller, G., Lukas, K. E., Kuhar, C., & Dennis, P. M. (2014). A retrospective review of mortality in lorises and pottos in North American zoos, 1980–2010. Endangered Species Research, 23(3), 205–217.
Less, E. H., Bergl, R., Ball, R., Dennis, P. M., Kuhar, C. W., Lavin, S. R., Raghanti, M. A., Wensvoort, J., Willis, M. A., & Lukas, K. E. (2014). Implementing a low-starch biscuit-free diet in zoo gorillas: The impact on behavior. Zoo Biology, 33(1), 63–73.
Less, E. H., Lukas, K. E., Bergl, R., Ball, R., Kuhar, C. W., Lavin, S. R., Raghanti, M. A., Wensvoort, J., Willis, M. A., & Dennis, P. M. (2014). Implementing a low-starch biscuit-free diet in zoo gorillas: The impact on health. Zoo Biology, 33(1), 74–80.
Lukas, K. E., & Ross, S. R. (2014). Naturalistic exhibits may be more effective than traditional exhibits at improving zoo visitor attitudes toward African apes. Anthrozoös, 27(3), 435–455.
Wark, J. D., Kuhar, C. W., & Lukas, K. E. (2014). Behavioral thermoregulation in a group of zoo-housed colobus monkeys (Colobus guereza). Zoo Biology, 33(4), 257–266.
2013
Conforti, V. A., Bateman, H. L., Schook, M. W., Newsom, J., Lyons, L. A., Grahn, R. A., Deddens, J. A., & Swanson, W. F. (2013). Laparoscopic oviductal artificial insemination improves pregnancy success in domestic cats. Biology of Reproduction, 89(1), 4.
Less, E. H., Kuhar, C. W., & Lukas, K. E. (2013). Assessing the prevalence and characteristics of hair-plucking behaviour in captive western lowland gorillas. Animal Welfare, 22, 175–183.
Stoinski, T. S., Lukas, K. E., & Kuhar, C. W. (2013). Effects of age and group type on social behavior of male western gorillas. Applied Animal Behaviour Science, 147, 316–323.
2012
Blowers, T. E., Waterman, J., Kuhar, C. W., & Bettinger, T. L. (2012). Female Nile hippopotamus space use in a naturalistic exhibit. Zoo Biology, 31, 129–136.
Cassella, C. M., Mills, A., & Lukas, K. E. (2012). Prevalence of regurgitation and reingestion in orangutans in North American zoos. Zoo Biology, 31(5), 609–612.
Collins, C. W., Songsasen, N. S., Vick, M. M., Wolfe, B. A., Weiss, R. B., Keefer, C. L., & Monfort, S. L. (2012). Abnormal reproductive patterns in Przewalski’s mares associated with loss of gene diversity. Biology of Reproduction, 86(2), 28.
Ganswindt, A., Brown, J. L., Freeman, E. W., Kouba, A. J., Penfold, L. M., Santymire, R. M., Vick, M. M., Wielebnowski, N., Willis, E. L., & Milnes, M. R. (2012). International Society for Wildlife Endocrinology: The future of endocrine measures. Biology Letters, 8(5), 695–697.
Kuhar, C. W., Bettinger, T. L., Lehnhardt, K., Cartwright, B., & Cress, D. (2012). Education program evaluation at multiple primate sanctuaries in equatorial Africa. International Journal of Primatology, 33(1), 208–217.
Less, E. H., Kuhar, C. W., Dennis, P. M., & Lukas, K. E. (2012). Assessing inactivity in zoo gorillas using keeper ratings and behavior data. Applied Animal Behaviour Science, 137(1–2), 74–79.
Ross, S. R., Melber, L. M., Gillespie, K., & Lukas, K. E. (2012). Impact of modern, naturalistic exhibit design on visitor behavior. Visitor Studies, 15(1), 3–15.
2011
Murphy, H. W., Dennis, P. M., Devlin, W., Meehan, T., & Kutinsky, I. (2011). Echocardiographic parameters of captive western lowland gorillas (Gorilla gorilla gorilla). Journal of Zoo and Wildlife Medicine, 42(4), 572–579.
Ross, S. R., Wagner, K. E., Schapiro, S. J., Hau, J., & Lukas, K. E. (2011). Transfer and acclimatization effects on African great apes moved to a novel zoo environment. International Journal of Primatology, 32, 99–117.
2010
Bettinger, T. L., Kuhar, C. W., Lehnhardt, K., Cox, D., & Cress, D. (2010). Discovering the unexpected: Lessons learned from evaluating conservation education programs in Africa. American Journal of Primatology, 72, 445–449.
Brady, M., Rehling, M., Mueller, J., & Lukas, K. E. (2010). Giant Pacific octopus behavior and enrichment. International Zoo News, 57(3), 134–145.
Fuller, G., & Lukas, K. E. (2010). Case studies of infant development in two guenons at Cleveland Metroparks Zoo. International Zoo Yearbook, 44, 218–231.
Fuller, G. A., Sadowski, L., Cassella, C., & Lukas, K. E. (2010). Examining deep litter as environmental enrichment for a family group of Wolf’s guenons (Cercopithecus wolfi). Zoo Biology, 29, 626–632.
Kuhar, C. W. (2010). Breeding. In D. B. Morton, P. D. McGreevy, J. N. Marchant-Forde, C. J. C. Phillips, & D. S. Mills (Eds.), The encyclopedia of applied animal behaviour and welfare (pp. 69–71). CABI Publishing.
Kuhar, C. W., Bettinger, T. L., Lehnhardt, K., Osuo, T., & Cox, D. (2010). Evaluating the long-term impact of an environmental education program at the Kalinzu Forest Reserve, Uganda. American Journal of Primatology, 72, 407–413.
Kuhar, C. W., Miller, L. J., Lehnhardt, J., Christman, J., Mellen, J. D., & Bettinger, T. L. (2010). System for monitoring and improving animal visibility and its implications for zoological parks. Zoo Biology, 29, 68–79.
2009
Adkesson, M. J., Citino, C. B., Dennis, P. M., Fiorello, C. V., Lafortune, M., & Bennett, R. A. (2009). Medical and surgical management of otitis in captive bongo (Tragelaphus eurycerus). Journal of Zoo and Wildlife Medicine, 40(2), 332–343.
Coe, J. C., Scott, D., & Lukas, K. E. (2009). Facility design for captive bachelor gorillas. Zoo Biology, 28, 144–162.
Dorsey, C. A., Dennis, P. M., Fascetti, A. J., Wood, T., & Brown, J. L. (2009). Hypoaminoacidemia is not associated with ulcerative lesions in black rhinoceroses (Diceros bicornis). Journal of Zoo and Wildlife Medicine, 41(1), 22–27.
Kane-Sutton, M., Kinter, B., Dennis, P. M., & Koonce, J. F. (2009). Viral hemorrhagic septicemia virus infection in yellow perch (Perca flavescens) in Lake Erie. Journal of Great Lakes Research, 36(1), 37–43.
Ross, S. R., Schapiro, S. J., Hau, J., & Lukas, K. E. (2009). Space use as an indicator of enclosure appropriateness: A novel measure of captive animal welfare. Applied Animal Behaviour Science, 121, 42–50.
2008
Lehn, C. (2008). Biomaterials in gorilla research and conservation. In T. S. Stoinski, H. D. Steklis, & P. T. Mehlman (Eds.), Conservation in the 21st century: Gorillas as a case study (pp. 253–268). Kluwer Academic/Plenum Publishers.
Lehn, C. (2008). The development of a biomaterials program in the zoo/aquarium. In T. Bettinger & J. Bielitzki (Eds.), The well-being of animals in zoo and aquarium-sponsored research: Putting best practices forward (pp. 105–116). Scientists Center for Animal Welfare.
Lukas, K. E. (2008). The status of research in zoos and aquariums. In T. Bettinger & J. Bielitzki (Eds.), The well-being of animals in zoo and aquarium-sponsored research: Putting best practices forward (pp. 7–24). Scientists Center for Animal Welfare.
Nguyen, N., Gesquiere, L. R., Wango, E. O., Alberts, S. C., & Altmann, J. (2008). Late pregnancy glucocorticoid levels predict responsiveness in wild baboon mothers (Papio cynocephalus). Animal Behaviour, 75(5), 1747–1756.
Ross, S. R., Lukas, K. E., Lonsdorf, E. V., Stoinski, T. S., Hare, B., Shumaker, R., & Goodall, J. (2008). Inappropriate use and portrayal of chimpanzees. Science, 319, 1487.
Stoinski, T. S., Lukas, K. E., & Hutchins, M. (2008). Zoos and conservation: Moving beyond a piecemeal approach. In T. S. Stoinski, H. D. Steklis, & P. T. Mehlman (Eds.), Conservation in the 21st century: Gorillas as a case study (pp. 315–326). Kluwer Academic/Plenum Publishers.
2007
Fashing, P. J., Mulindahabi, F., Gakima, J. B., Masozera, M., Mununura, I., Plumptre, A. J., & Nguyen, N. (2007). Activity and ranging patterns of Angolan colobus (Colobus angolensis ruwenzorii) in Nyungwe Forest, Rwanda: Possible costs of large group size. International Journal of Primatology, 28, 529–550.
Feltoon, A. R., Guerra, T., Lehn, C., & Forstner, M. R. J. (2007). Isolation and characterization of six microsatellites in the Mexican beaded lizard (Heloderma horridum). Molecular Ecology Notes, 7, 433–435.
Mueller, J., Sironen, A., & Lukas, K. E. (2007). Infant development and behavior in the fossa (Cryptoprocta ferox). Small Carnivore Conservation, 37, 11–17.
2006
Bonar, C. J., Burrows, A. M., Waller, B. M., & Parr, L. A. (2006). Muscles of facial expression in the chimpanzee (Pan troglodytes): Descriptive, comparative, and phylogenetic contexts. Journal of Anatomy, 208, 153–167.
Bonar, C. J., Poynton, S. L., Schulman, F. Y., Rietcheck, R. I., & Garner, M. M. (2006). Hepatic Calyptospora infection in a wild-born, aquarium-held clutch of juvenile arapaima (Arapaima gigas). Diseases of Aquatic Organisms, 70, 81–92.
Bonar, C. J., Sherwood, C. C., Raghanti, M. A., Stimpson, C. D., de Sousa, A. A., Preuss, T. M., & Hof, P. R. (2006). Scaling of inhibitory interneurons in areas V1 and V2 of anthropoid primates as revealed by calcium-binding protein immunohistochemistry. Brain, Behavior and Evolution, 69, 176–195.
Bonar, C. J., Trupkiewicz, J. G., Toddes, B., & Lewandowski, A. H. (2006). Iron storage disease in tapirs. Journal of Zoo and Wildlife Medicine, 37(1), 49–52.
Kuhar, C. W., Stoinski, T. S., Lukas, K. E., & Maple, T. L. (2006). Gorilla Behavior Index revisited: Age, housing, and behavior. Applied Animal Behaviour Science, 96(3–4), 315–326.
Ross, S. R., & Lukas, K. E. (2006). Use of space in a non-naturalistic environment by chimpanzees and lowland gorillas. Applied Animal Behaviour Science, 96(1–2), 143–152.
2005
Bonar, C. J., Lewandowski, A. H., Arafah, B., & Capen, C. C. (2005). Pheochromocytoma in an aged female African elephant (Loxodonta africana). Journal of Zoo and Wildlife Medicine, 36(4).
Fuller, G. A., & Lukas, K. E. (2005). Observations of captive siamangs at Cleveland Metroparks Zoo. International Zoo News, 52(7), 387–394.
Lukas, K. E., & Ross, S. R. (2005). Zoo visitor knowledge and attitudes towards gorillas and chimpanzees. Journal of Environmental Education, 36(4), 33–48.
Quinn, H., & Scott, C. (2005). Critical areas in amphibian declines. In M. Lannoo (Ed.), Amphibian declines: The conservation status of United States species (pp. 247–259). University of California Press.
Ross, S. R., & Lukas, K. E. (2005). Zoo visitor behavior at an African ape exhibit. Visitor Studies Today, 8(1), 4–12.
2004
Crosby, J. Y., & Lukas, K. E. (2004). A case study of primiparous maternal and infant gorilla (Gorilla gorilla gorilla) behavior. Journal of Applied Animal Welfare Science, 7(3), 145–162.
Lewandowski, A. H., & Bonar, C. (2004). Use of liposomal formulation of amphotericin B for treatment of wound aspergillosis in a Goliath heron. Journal of Avian Medicine.
Stoinski, T. S., Lukas, K. E., Kuhar, C. W., & Maple, T. L. (2004). Factors influencing the formation and maintenance of all-male gorilla groups in captivity. Zoo Biology, 23, 189–203.